I have a recently purchased Nikon 5100. Since purchase there is a series of two lines (in the same place) in the frame that show up on the pictures. Any guesses as to what they are and how I can get ...

I recently took pictures of a lightning storm using my camera phone (Samsung Galaxy S3). In several of the shots where I managed to capture lightning, a lighter (brighter?) vertical section sometimes ...

I bought a canon 50-250mm IS lens (for my T1i), maybe two years ago and haven't used it much, but whenever I do, I always regret using it. Pictures are blurry, the depth of field too shallow and so ...

Can anybody tell me why the heads of the two women are stretched in the corners? What is the name of this defect and how could one avoid it?
I'm not a photographer (though becoming one is one of my ...

I bought a inexpensive variable neutral density filter, this ND2-ND400 variety. I wasn't expecting a whole lot because of the very low price point, but I think I'm either using it incorrectly or my ...

How common are hot pixels on new cameras?!
I read that people may check up to 5 cameras at stores to actually find a perfect one, is this true? so how commons is this? what is the chance of getting a ...

I shot this image on a GoPro camera in time lapse mode. It was at ISO 100, f/3.6, 1/950sec. I also happened to be moving the camera at very high speed during the shot. What is the ligher horizonal bar ...